| Patents for B01D 37 - Processes of filtration (4,716) |
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| 04/04/2002 | WO2001085300A3 Staged oil filter incorporating pelletized basic conditioner |
| 04/04/2002 | US20020038781 Method and apparatus for removing particulate contaminants from commercial laundry wastewater |
| 04/03/2002 | EP1193245A1 Method for the removal of excess amounts of water-soluble amines from mannich condensation products. |
| 03/29/2002 | CA2357448A1 Method for the removal of excess amounts of water-soluble amines from mannich condensation products |
| 03/28/2002 | US20020036168 Bilgewater is passed upstream of the cross filter membrane through a fluid-pervious filtration media which has been infused with an absorbtion composition |
| 03/27/2002 | EP1190755A1 Process for filtering sludge or liquid manure and device for performing this process |
| 03/21/2002 | WO2001066221A3 Recharge and filter assembly with replaceable cartridge |
| 03/19/2002 | US6358423 Method of treating and conditioning circulated rolling oil |
| 03/19/2002 | US6358420 Blood collection method employing an air venting blood sample tube |
| 03/14/2002 | WO2002020123A1 Method and device for filtrating sewage fluid |
| 03/12/2002 | US6355170 Dual manifold filtering system |
| 03/12/2002 | CA2105671C Combined filtration and fixation of heavy metals |
| 02/27/2002 | CN1079829C Improved filter aid for use in alluviation |
| 02/21/2002 | WO2002013941A1 Filter assembly, filter element, and method of utilizing the same |
| 02/21/2002 | US20020020663 Filter assembly, filter element, and method of utilizing the same |
| 02/19/2002 | US6348130 Variable pressure screening |
| 02/14/2002 | WO2002011856A1 Improved process for filter aid production in alumina refineries |
| 02/13/2002 | EP1067996A4 Filter constructions and methods |
| 02/13/2002 | CN1335296A Method for recovering crystal from sludge |
| 02/12/2002 | CA2222810C Process for recovering water-insoluble compounds from a fermentation broth |
| 02/07/2002 | WO2002010072A2 Process for direct filtration of wastewater |
| 02/07/2002 | US20020014447 Staged oil filter incorporating additive-releasing particles |
| 02/07/2002 | DE10036836A1 Pressure difference sensor for refilling aircraft fuel tanks uses optical coding to give continuous read out |
| 02/06/2002 | CN1334768A Screw press apparatus |
| 01/30/2002 | CN1333860A Method for detecting clogging in a fuel filter in an internal combustion engine supply circuit |
| 01/23/2002 | EP1174388A1 Separation of metal chlorides from their suspensions in chlorsilanes |
| 01/17/2002 | WO2002005059A2 Medical system, method and apparatus employing mems |
| 01/17/2002 | WO2002004090A2 Continuous flow liquids/solids slurry cleaning, recycling and mixing system |
| 01/17/2002 | US20020006769 Method of fabricating a semiconductor device |
| 01/17/2002 | DE10031804A1 Filtration comprises using filter module comprising double-layered filter material, which has coarse and fine pore openings |
| 01/10/2002 | US20020003117 Process for recovering crystals from a slurry |
| 01/10/2002 | DE10120608A1 Process for filtering liquid comprises recycling filtrate into feed tank which is emptied when concentration reaches value suitable for further filtration, with short concentration phases in which filtrate is fed into collecting tank |
| 01/09/2002 | EP1170280A2 Process for recovering crystals from a slurry |
| 01/09/2002 | EP1169107A1 Leukocyte reduction filtration media |
| 01/08/2002 | US6337026 Low weight high specific surface area with matrix of fibers, create multitude of adhesion sites and allow good filtration flow rates |
| 01/03/2002 | DE10030312A1 Plant supplying batches of filter aid to e.g. brewery filtration system combines mixing and weighing in single tank, with suction powder feed system |
| 01/03/2002 | DE10030252A1 Abtrennung von Metallchloriden aus deren Suspensionen in Chlorsilanen Separation of metal chlorides from their suspensions in chlorosilanes |
| 01/03/2002 | DE10029963A1 Filtering liquid phosphatizing liquid comprises directly introducing additive to liquid added to filtering device |
| 01/02/2002 | CN1328860A Quick press-filtering method for plate type press-filtering machine |
| 01/01/2002 | US6334959 Filter life measurement |
| 12/27/2001 | US20010054590 Fiber mat is formed on a screen cylinder of a pressurized fiber filtering device used to filter particles from a liquid stream; formed by injecting cellulosic fibers into the liquid stream flowing into the fiber filtering device. |
| 12/25/2001 | US6332977 Apparatus for steam sterilizing and recycling leaf-filter aids |
| 12/20/2001 | US20010053343 Separation of metal chlorides from their suspensions in chlorosilanes |
| 12/20/2001 | US20010052497 Blood collection systems and methods employing an air venting blood sample tube |
| 12/18/2001 | US6331253 In which a third substance is dissolved in a supercritical state to lower the viscosity; heat sensitive organic liquids and used motor oils. |
| 12/14/2001 | CA2347418A1 Improved filtration of pulp mill liquids |
| 12/11/2001 | CA2230953C Advanced particulate media for precise separation of particles suspended in fluids |
| 12/05/2001 | CN2463027Y Agglutinating-filter pressing integrated band filter press |
| 11/22/2001 | WO2001087459A1 Method for filtration of copper electrolyte solution |
| 11/22/2001 | US20010042721 System and method for high speed dewatering of slurries |
| 11/22/2001 | US20010042720 Method and apparatus for removing pernicious contaminants from bilgewater discharge |
| 11/22/2001 | US20010042688 Filtration method of copper electrolyte |
| 11/22/2001 | DE10022901A1 Mixing unit for supplying a filtration agent to a sludge suspension comprises a partially hollow shaft with a control element which governs the pressure in the chamber for the filtration agent |
| 11/21/2001 | EP0762920B1 Oil filter |
| 11/21/2001 | CN1322673A Diatomite purifying treatment method |
| 11/20/2001 | US6318565 Filtration member for solid-liquid separation |
| 11/15/2001 | WO2001085882A2 Multi-staged fluid filter, and methods of making and using same |
| 11/15/2001 | WO2001085628A1 Apparatus and method for high speed dewatering of slurries |
| 11/15/2001 | WO2001085300A2 Staged oil filter incorporating pelletized basic conditioner |
| 11/15/2001 | US20010040120 Recharge and filter cartridge |
| 11/15/2001 | CA2408880A1 Staged oil filter incorporating pelletized basic conditioner |
| 11/08/2001 | US20010037965 Liquid filter using a filtration aid |
| 11/08/2001 | DE19534102C2 Verfahren und Vorrichtung zur Tiefenfiltration von Flüssigkeiten Method and apparatus for depth filtration of fluids |
| 11/05/2001 | CA2346172A1 System and method for high speed dewatering of slurries |
| 10/31/2001 | EP1149053A1 Method for the purification of water by means of membrane filtration |
| 10/30/2001 | CA2175602C Filtering method and apparatus |
| 10/24/2001 | EP1147008A1 Screw press apparatus |
| 10/23/2001 | US6306292 Fuel filter with internal pressure regulator |
| 10/23/2001 | CA2063295C Methods and compositions for dewatering and suppressing dust during processing of fine coal |
| 10/18/2001 | WO2001076721A1 Gravity driven liquid filtration system and method for filtering biological liquid |
| 10/17/2001 | CN1072973C Advanced particulate media for precise separation of particles suspended in fluids |
| 10/11/2001 | DE10017361A1 Differenzdruck-Messanordnung Differential pressure measuring device |
| 10/10/2001 | EP1143232A1 Monitoring filter insertion |
| 10/10/2001 | EP1141537A1 Method for detecting clogging in a fuel filter in an internal combustion engine supply circuit |
| 10/09/2001 | US6299513 Method of fabricating a semiconductor device |
| 10/03/2001 | CN1072024C Cost-oriented control of regenerable filter |
| 10/02/2001 | CA2056137C Process for cleaning or purifying aqueous n-methylmorpholine-n-oxide solutions |
| 09/20/2001 | US20010022286 Filtration system including a back washable pre-filtration apparatus |
| 09/20/2001 | DE10103264A1 Filterungsvorrichtung und Öffnungs-/Schliessventil für die Filterungsvorrichtung Filtering device and opening / closing valve for the filtering device |
| 09/18/2001 | USRE37369 Slow release coolant filter |
| 09/13/2001 | WO2001066221A2 Recharge and filter assembly with replaceable cartridge |
| 09/12/2001 | CN1312124A Filtering material stiffening process |
| 09/11/2001 | US6287474 Liquid treatment media regeneration apparatus and process |
| 09/05/2001 | EP1128934A1 Chemical-mechanical-polishing system with continuous filtration |
| 09/05/2001 | EP1128889A1 Controlling the supply of bodyfeed to a filter |
| 09/04/2001 | CA2040853C Method and apparatus for thickening lime sludge |
| 08/23/2001 | US20010015333 Filtering apparatus and open/close valve for the filtering apparatus |
| 08/22/2001 | CN1069843C Vessel for filtering liquid, especially for water |
| 08/16/2001 | EP0831960B1 Process for regenerating filtration adjuvants and filtration process using such a regeneration process |
| 08/15/2001 | CN1307920A Filter and its valve |
| 08/14/2001 | US6274037 Coolant purification system |
| 07/31/2001 | US6268469 Separation by coagulation with stirring |
| 07/31/2001 | US6267894 Method for efficient filtration of chemical baths |
| 07/26/2001 | DE10101313A1 Foam filter insert pore size continually varied as required by turbidity sensor-regulated external pressure unit |
| 07/25/2001 | EP1118368A2 Method and apparatus for filtering impurities out of fluid |
| 07/25/2001 | CN1305393A Method and apparatus for recovery of water and slurry abrasives used for chemical and mechanical planarization |
| 07/24/2001 | US6264844 Supercritical water oxidation process and apparatus of organics with inorganics |
| 07/19/2001 | CA2316061A1 Method and apparatus for filtering impurities out of fluid |
| 07/18/2001 | EP0822853B1 Shale shaker |
| 07/12/2001 | DE19963421A1 Verfahren und Vorrichtung zur Zuführung von Filterhilfsmitteln und/oder technischen Hilfsstoffen während der Filtration Method and apparatus for supplying filter aids and / or process materials during filtration |